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‘first’ and ‘only’ are four-letter words in cloud. How to do something ‘once’ and ‘first’ in a Kubernetes Deployment

Cloud Native implies a continuum. A declarative world that has no special event that occurs when it is started or finished.

Non cloud-native applications often have ‘start’ or ‘upgrade’ tasks that need performing. Things that need to be done ‘one’ or ‘first’ or at some lifecycle stage.

How can we integrate these two worlds?

Let’s Encrypt Staging. Safely.

Let’s Encrypt. It makes it simple and free to have decent TLS security.
But the staging environment intermediate cert is (rightly) not trusted. How can you safely use this? Find out!